Dielectric properties of pulsed-laser-deposited calcium titanate thin films

Jianhua Hao; Weidong Si; X. X. Xi; Ruyan Guo; A. S. Bhalla; L. E. Cross

doi:10.1063/1.126536

Dielectric properties of pulsed-laser-deposited calcium titanate thin films

Jianhua Hao, Weidong Si, X. X. Xi, Ruyan Guo, A. S. Bhalla, L. E. Cross

Research output: Journal article publication › Journal article › Academic research › peer-review

64 Citations (Scopus)

Abstract

We have deposited CaTiO3thin films on SrRuO3electrode layers on SrTiO3and LaAlO3substrates by pulsed laser deposition. The low-frequency dielectric properties were measured from 4 to 300 K. We found that the dielectric constants of 1-μm-thick CaTiO3films are very close to that observed in the bulk materials. The dielectric loss depends on the temperature and is on the order of 10-4at low temperature. The dielectric constants of the films can be tuned by electric field by 6% at room temperature and 10% at 200 K.

Original language	English
Pages (from-to)	3100-3102
Number of pages	3
Journal	Applied Physics Letters
Volume	76
Issue number	21
DOIs	https://doi.org/10.1063/1.126536
Publication status	Published - 22 May 2000
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.126536

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abstract = "We have deposited CaTiO3thin films on SrRuO3electrode layers on SrTiO3and LaAlO3substrates by pulsed laser deposition. The low-frequency dielectric properties were measured from 4 to 300 K. We found that the dielectric constants of 1-μm-thick CaTiO3films are very close to that observed in the bulk materials. The dielectric loss depends on the temperature and is on the order of 10-4at low temperature. The dielectric constants of the films can be tuned by electric field by 6% at room temperature and 10% at 200 K.",

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AU - Hao, Jianhua

AU - Si, Weidong

AU - Xi, X. X.

AU - Guo, Ruyan

AU - Bhalla, A. S.

AU - Cross, L. E.

PY - 2000/5/22

Y1 - 2000/5/22

N2 - We have deposited CaTiO3thin films on SrRuO3electrode layers on SrTiO3and LaAlO3substrates by pulsed laser deposition. The low-frequency dielectric properties were measured from 4 to 300 K. We found that the dielectric constants of 1-μm-thick CaTiO3films are very close to that observed in the bulk materials. The dielectric loss depends on the temperature and is on the order of 10-4at low temperature. The dielectric constants of the films can be tuned by electric field by 6% at room temperature and 10% at 200 K.

AB - We have deposited CaTiO3thin films on SrRuO3electrode layers on SrTiO3and LaAlO3substrates by pulsed laser deposition. The low-frequency dielectric properties were measured from 4 to 300 K. We found that the dielectric constants of 1-μm-thick CaTiO3films are very close to that observed in the bulk materials. The dielectric loss depends on the temperature and is on the order of 10-4at low temperature. The dielectric constants of the films can be tuned by electric field by 6% at room temperature and 10% at 200 K.

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JF - Applied Physics Letters

IS - 21

ER -

Dielectric properties of pulsed-laser-deposited calcium titanate thin films

Abstract

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